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#
# To fully function, this script needs the following variables
# set:
#
# INSTALLING
# DEFAULT_TMPDIR
# TOP_PWD
# libdir
# libexecdir
# ProjectVersionInt
# HSP_IMPORTS
if ( $ENV{'TMPDIR'} ) { # where to make tmp file names
$tmp = $ENV{'TMPDIR'} . "/$$.eht";
} else {
$tmp ="${DEFAULT_TMPDIR}/$$.eht";
$ENV{'TMPDIR'} = ${DEFAULT_TMPDIR}; # set the env var as well
}
$TopPwd = "${TOP_PWD}"; # *Only* needed when using it in-situ (i.e., INSTALLING=0).
$InstLibDirGhc = "${libdir}";
$InstLibExecDirGhc = "${libexecdir}";
$Unlit = ( $INSTALLING ?
"${InstLibExecDirGhc}/unlit" :
"${TopPwd}/ghc/utils/unlit/unlit" );
# but this is re-set to "cat" (after options) if -cpp not seen
$HsCpp = ( $INSTALLING ?
"${InstLibDirGhc}/hscpp" :
"${TopPwd}/ghc/utils/hscpp/hscpp" );
$HsP = ( $INSTALLING ?
"${InstLibExecDirGhc}/hsp" :
"${TopPwd}/ghc/compiler/hsp" );
$HsTagsHelp =
( $INSTALLING ?
"${InstLibExecDirGhc}/hstags-help" :
"${TopPwd}/ghc/utils/hstags/hstags-help" );
$Verbose = 0;
$Append = '>';
$DoCpp = 0;
$Cpp_opts = '';
$HsP_opts = '';
@Files = ();
while ($ARGV[0] =~ /^-./) {
$_ = shift(@ARGV);
/^--/ && last;
/^-v/ && ($Verbose = 1, next);
/^-a$/ && ($Append = '>>', next);
/^-fglasgow-exts/ && ($HsP_opts .= ' -N', next);
/^-optP(.*)/ && ($Cpp_opts .= " $1", next);
/^-[UDI]/ && ($Cpp_opts .= " $_", next);
/^-cpp/ && ($DoCpp = 1, next);
/^-/ && next; # ignore the rest
push(@Files, $_);
}
$DoHsCpp = ( ! $DoCpp ) ? 'cat'
: "$HsCpp -D__HASKELL1__=2 -D__GLASGOW_HASKELL__=$ProjectVersionInt $Cpp_opts";
# to find Prelude.hi and friends.
$HsP_opts .= ( $INSTALLING ?
"-J${InstLibDirGhc}/imports" :
( '-J' . join(' -J',split(/:/,${HSP_IMPORTS})) ));
open(STDOUT, "$Append TAGS") || die "can't create TAGS";
foreach $f ( @ARGV ) {
# if file is in a dir && we are CPPing, then we add its dir to the -I list.
if ( $DoCpp && $f =~ /(.+)\/[^\/]+$/ ) {
$Idir = "-I$1";
} else {
$Idir = '';
}
if ( $f =~ /\.lhs$/ ) {
$ToDo = "$Unlit $f - | $DoHsCpp $Idir | $HsP -E $HsP_opts | $HsTagsHelp $f > $tmp";
} else {
$ToDo = "$DoHsCpp $Idir < $f | $HsP -E $HsP_opts | $HsTagsHelp $f > $tmp";
}
print STDERR "$ToDo\n" if $Verbose;
system($ToDo);
$return_val = $?;
die "Fatal error $return_val\n" if $return_val != 0;
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,
$atime,$mtime, $ctime,$blksize,$blocks) = stat("$tmp");
print STDOUT "\f\n$f,${size}\n";
print STDOUT `cat $tmp`;
}
unlink $tmp;
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